package xjtu.zd.server.common;

import xjtu.zd.server.common.action.FindNewId;
import xjtu.zd.server.common.model.User.User;

import java.util.List;

public interface CommonService {
    User getUserById(String userId);
    User getStaffById(String userId);
    List<Classification> getClassification();
    String returnNewId(FindNewId findNewId);
    String getNowtime();
}
